netdev - Re: [PATCH V7 4/8] posix clocks: hook dynamic clocks into system calls

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20101221080037.GB13626@riccoc20.at.omicron.at>
Date:	Tue, 21 Dec 2010 09:00:37 +0100
From:	Richard Cochran <richardcochran@...il.com>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	linux-kernel@...r.kernel.org, linux-api@...r.kernel.org,
	netdev@...r.kernel.org, Alan Cox <alan@...rguk.ukuu.org.uk>,
	Arnd Bergmann <arnd@...db.de>,
	Christoph Lameter <cl@...ux.com>,
	David Miller <davem@...emloft.net>,
	John Stultz <johnstul@...ibm.com>,
	Krzysztof Halasa <khc@...waw.pl>,
	Peter Zijlstra <peterz@...radead.org>,
	Rodolfo Giometti <giometti@...ux.it>
Subject: Re: [PATCH V7 4/8] posix clocks: hook dynamic clocks into system
 calls

On Fri, Dec 17, 2010 at 11:03:46AM +0100, Thomas Gleixner wrote:
> 
> Doesn't the same problem exist for the file operations of patch 3? I
> think you want the very same protection there unless you want to do
> the same magic in your USB driver as well.

Yes, you are right. I overlooked that.

> So you could do the following:
  ...

> So your fops would call get_fd_clk() and put_fd_clk() and the pc_timer
> ones get_posix_clock() and put_posix_clock() or whatever sensible
> function names you come up with.
> 
> Thoughts ?

It is a good, concrete suggestion. I will try it that way.

Thanks,

Richard
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html